B is the brother of C; A is the sister of B; K is the brother of D; D ...
K is the brother of D, who is the daughter of C. So, K and D are the children of C. B is the brother of C, making K and D cousins of B.
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B is the brother of C; A is the sister of B; K is the brother of D; D ...
Understanding the Relationships
To determine the cousins of B, let's break down the relationships:
- B is the brother of C: This means B and C are siblings.
- A is the sister of B: A, B, and C are siblings, making A and C also siblings.
- K is the brother of D: K and D are siblings.
- D is the daughter of C: Since C is the parent of D, this means D is B's niece (C's child).
Identifying Cousins
Cousins are typically the children of one's aunts and uncles. Here, we analyze who B's cousins are:
- C's Children: D is a child of C, making D a niece to B.
- K's Relationship: K is the sibling of D, thus K is also a child of C and, therefore, K is B's nephew.
Since cousins are defined as the children of one's aunts and uncles, we look at the relationships:
- K and D: Both are children of C, making them cousins to B.
Conclusion
Thus, the cousins of B are K and D, which corresponds to option 'B'.
Correct Answer
- K and D are the cousins of B, confirming that option 'B' is correct.